Question

× + y = 7 and 2× - 3y = 11 substituting method
can u all help me please
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Answer 1

Answer:

x+y=7.....eq1

2x-3y=11.....eq2

x+y=7

x=7-y.....eq3

now put eq 3. in eq 2

2x-3y=11

2(7-y)-3y=11

14-2y-3y

-5y=11-14

-5y=-3

5y=3

y=3/5......eq4

now put eq 4 in eq1

x+y=7

x+3/5=7

x=7-3/5

x=35-3/5

x=32/5